1. 4",7", 8",10",14",20", 25", 28" inch ... certification Brand Name: Roaring Lion, Qiaowang, OEM brandSize: 4 inches,6 inches,7 inches, 8 inches,10 inches,14 ... fast and slow roller at a certain time.Products technical indicators :Tensile strength:Mpa/2mm 25.2-26 (standard level: ... white, amberHardness Shore A90-98degreeBrandRoaring Lion/Qiaowang/Yashi/OEM 4 inches rice mill parts machine rubber roller